Kazufumi Miyagi, Noriaki Shimoji, Haruna Oshiro, Itaru Hirai. Differences in flaA gene sequences, swimming motility, and biofilm forming ability between clinical and environmental isolates of Aeromonas species. Environmental Science and Pollution Research. 2022. 30. 5. 11740-11754
Fikri S Widyatama, Nobuyoshi Yagi, Rosantia Sarassari, Toshiro Shirakawa, Danh Tuyen Le, Mai Huong Thi Bui, Kuntaman Kuntaman, Itaru Hirai. Analysis of the upstream genetic structures of the ISEcp1-blaCTX-M transposition units in Escherichia coli isolates carrying blaCTX-M obtained from the Indonesian and Vietnamese communities. Microbiology and immunology. 2021. 65. 12. 542-550
Nobuyoshi Yagi, Kouta Hamamoto, Kim Ngan Thi Bui, Shuhei Ueda, Saki Tawata, Danh Tuyen Le, Mai Huong Thi Bui, Itaru Hirai. A high-throughput sequencing determination method for upstream genetic structure (UGS) of ISEcp1-blaCTX-M transposition unit and application of the UGS to classification of bacterial isolates possessing blaCTX-M. Journal of infection and chemotherapy : official journal of the Japan Society of Chemotherapy. 2021. 27. 9. 1288-1294
Siti Rochmanah Oktaviani Sulikah, Miratul Hasanah, Wahyu Setyarini, Hari Parathon, Koichi Kitagawa, Noriko Nakanishi, Ryohei Nomoto, Kayo Osawa, Shohiro Kinoshita, Itaru Hirai, et al. Occurrence of Carriage of Multidrug Resistant Enterobacteriaceae among Pregnant Women in the Primary Health Center and Hospital Setting in Surabaya, Indonesia. Microbial drug resistance (Larchmont, N.Y.). 2021. 28. 1. 48-55
Young-Min Yang, Kayo Osawa, Koichi Kitagawa, Samiko Hosoya, Reo Onishi, Aya Ishii, Toshiro Shirakawa, Itaru Hirai, Kuntaman Kuntaman, Hiroshi Tanimoto, et al. Differential effects of chromosome and plasmid blaCTX-M-15 genes on antibiotic susceptibilities in extended-spectrum beta-lactamase-producing Escherichia coli isolates from patients with urinary tract infection. International journal of urology : official journal of the Japanese Urological Association. 2021. 28. 6. 623-628